Journal
CONSTRUCTION AND BUILDING MATERIALS
Volume 15, Issue 2-3, Pages 65-79Publisher
ELSEVIER SCI LTD
DOI: 10.1016/S0950-0618(00)00056-8
Keywords
building technology; chloride ingress; concrete; durability; moisture content; permeability; service lift; sorptivity; strength; transport
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The deterioration of concrete structures is a major problem in many countries throughout the world. This has prompted the search for methods of predicting the service life of both existing and new structures. Current prediction methods are still in their infancy and, before they can be used with confidence, more reliable information on the properties of the concrete in these structures will be required. In this paper a range of test methods for determining the strength and transport properties and the extent of corrosion are critically reviewed. Whilst all provide useful information the ability to measure the transport properties has been shown by many researchers to give the most reliable indication of the likely durability. In spite of this it is recommended that an holistic overview is adopted as no single test is sufficiently reliable at present. Using such an approach, durability-based design criteria can be developed for concrete and the remaining life of existing structures estimated. (C) 2001 Elsevier Science Ltd. All rights reserved.
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